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Postage stamps

First Day Cover commemorating Niels Bohr and the 50th anniversary of Bohr's atom theory

  • 1963-Nov-21

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Stamps depict Niels Bohr, the equation for the Bohr frequency condition (an equation relating to light frequency and electrons), and a diagram of the Bohr model of a hydrogen atom.

Artist
Engraver
Place of publication
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Genre
Language
Subject
Rights In Copyright
Rights holder
  • Czesław Słania
Credit line
  • Courtesy of Science History Institute

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Department
Collection
Physical container
  • Box 3

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Related Items

Cite as

Viggo Bang. “First Day Cover Commemorating Niels Bohr and the 50th Anniversary of Bohr's Atom Theory.” Denmark, November 21, 1963. Witco Stamp Collection, Box 3. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/2v23vt53q.

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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.